Timbers defender Zac McGraw undergoes successful back surgery

McGraw's timeline for return is approximately four months

PORTLAND, Ore. – The Portland Timbers announced today that Zac McGraw underwent a successful surgery on his lumbar spine. The procedure was performed by Dr. J Rafe Sales in Portland, Ore. 

McGraw's timeline for return is approximately four months. He will conduct his rehabilitation with the Timbers’ health and performance team and Providence sports medicine.